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annotate engine/core/video/sdl/sdlimage.h @ 440:3a6441d9e01c

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The demos and editor now look for a local copy of FIFE before trying to import the installed version of FIFE. This is to ease development and not force developers to install FIFE every time they make changes to core and/or the extensions. fixes[t:453]
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 02 Mar 2010 15:05:30 +0000
parents ad1f09d954f9
children 47b49b9b0c0a
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_VIDEO_RENDERBACKENDS_SDL_SDLIMAGE_H
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23 #define FIFE_VIDEO_RENDERBACKENDS_SDL_SDLIMAGE_H
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24
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25 // Standard C++ library includes
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26
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27 // 3rd party library includes
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28 #include <SDL_video.h>
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "video/image.h"
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35
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36 namespace FIFE {
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37
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38 /** The SDL implementation of the @c Image base class.
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39 */
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40 class SDLImage : public Image {
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41 public:
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42 SDLImage(SDL_Surface* surface);
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43 SDLImage(const uint8_t* data, unsigned int width, unsigned int height);
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44 virtual ~SDLImage();
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45 void render(const Rect& rect, SDL_Surface* dst, unsigned char alpha = 255);
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46 void saveImage(const std::string& filename);
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47 bool putPixel(int x, int y, int r, int g, int b);
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48 void drawLine(const Point& p1, const Point& p2, int r, int g, int b);
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49 void drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b);
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ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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50 void drawVertex(const Point& p, const uint8_t size, int r, int g, int b);
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51
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52 protected:
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53 void setClipArea(const Rect& cliparea, bool clear);
417
14e8087cde2c Fixed the problem where the opengl renderer was leaving traces on the screen after closing maps in the editor. [t:392]
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54
0
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55 private:
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56 // Call this before rendering
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57 void finalize();
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58
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59 /** SDL Alpha Optimizer
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60 * This tries to convert an image with a fake alpha channel
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61 * to an RGB image when the channel can be reasonably be replaced
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62 * by an colorkey.
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63 */
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64 SDL_Surface* optimize(SDL_Surface* surface);
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14e8087cde2c Fixed the problem where the opengl renderer was leaving traces on the screen after closing maps in the editor. [t:392]
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65
0
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66 void resetSdlimage();
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67
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68 // SDLSurface used to create the SDLImage.
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69 Uint8 m_last_alpha;
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70 // Is the surface already optimized for rendering
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71 bool m_finalized;
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ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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72 SDL_Color m_colorkey;
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73 };
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74
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75 }
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76
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77 #endif